Temperature controller



FIG. 1 is a front, left side and top perspective view of a temperature controller comprising a new, original and ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right view thereof; and,

FIG. 7 is a left view thereof.

The broken lines show portions of the temperature controller that form no part of the claimed design. 

CLAIM The ornamental design for a temperature controller, substantially as shown and described. 